imperil

v (-ll-; US also -l-) [Tn] (fml 文) put (sb/sth) in danger; endanger 使（某人[某事物]）陷於危险; 危及: The security of the country had been imperilled. 国家安全处於危险之中.

impend, impending, impenetrability, impenetrable, impenetrably, impenitence, impenitent, impenitently, imperative, imperatively, imperceptible, imperceptibly, imperfect, imperfection, imperfectly, imperial, imperialism, imperialist, imperialistic, imperially, imperious, imperiously, imperiousness, imperishable, impermanence, impermanent, impermeability, impermeable, impermissible, impersonal, impersonality, impersonally, impersonate, impersonation, impersonator, impertinence, impertinent, impertinently, imperturbability, imperturbable,